Weather Forecast for
Sullivan County, TN


Today: A chance of showers and thunderstorms before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then showers and thunderstorms likely after 5pm. Mostly sunny and hot, with a high near 90. Heat index values as high as 96. West wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tonight: Showers and thunderstorms before 11pm, then a chance of showers between 11pm and midnight. Low around 69. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

Tuesday: A chance of showers before 4pm, then a slight chance of showers and thunderstorms after 5pm. Cloudy, then gradually becoming mostly sunny, with a high near 85. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 30%.

Tuesday Night: A 30 percent chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 64. North wind around 5 mph becoming calm.

Wednesday: Sunny, with a high near 88. Calm wind becoming west around 5 mph.

Wednesday Night: Partly cloudy, with a low around 67. Calm wind.

Thursday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 40%.

Thursday Night: A chance of showers and thunderstorms before 2am, then a slight chance of showers. Mostly cloudy, with a low around 66. Chance of precipitation is 40%.

Friday: A slight chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 86. Chance of precipitation is 70%.

Friday Night: Showers likely and possibly a thunderstorm before 2am, then a slight chance of showers. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.

Saturday: Showers likely and possibly a thunderstorm. Partly sunny, with a high near 83. Chance of precipitation is 60%.

Saturday Night: Showers and thunderstorms likely. Partly cloudy, with a low around 63. Chance of precipitation is 60%.

Sunday: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 83.

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